Radiator



A. B. MODINE April 25, 1933.

RADIATOR Original Filed Sept. 29, 1925 QTWUL /WZ O T Jrifiar 13. Nadine By I 0 9 W Patented Apr. 25, 1933 UNITED STATES PATENT: OFFICE ARTHUR B. IODDIE, OF BAGINE, WISCONSIN, ASSIGNOR TO MODINE HAN'UFAGDURHVG COMPANY, OF BACINE, WISCONSIN, A CORPORATION OF WISCONSIN RADIATOR Original application filed September 29, 1925, Serial No. 58,540. Divided and this application fled July 5, 1929. Serial No. 378,100.

This application is a division of my coendin application Serial No. 58540, filed EPW115161 25, 1925 which has matured into Patent No. 1,726,360, of August 27 1929.

My invention relates generally to radiators, and particularly to radiators of the type which may be advantageously employed n automobiles, aeroplanes and in general 1n the cooling of internal combustlon engines and the like.

The invention has among its other ob ects the production of devices of the kmd described which are durable, eflicient and satisfactory for use wherever found apphcable.

A particular object of the invention is to provide improved radiator construction which will insure that substantially all of the am passing through the radiator will come m contact with the water tubes.

Many other objects and advantages of the construction herein shown and described W111 be obvious to those skilled in the art from the disclosure herein given.

To this end, my invention consists in the novel construction,arrangement and combination of parts herein shown and described, and more particularly pointed out in the claims.

In the drawing, wherein like reference characters indicate like or corresponding arts: p Fig. 1 is a fragmentary section through a radiator embodylng my invention;

Fig. 2 is a section taken on line 22 of Fig. 1; g

ig. 3 is a section taken on-lme 3-3 of F1 1' Fig. 4 is a fragmentary section of a radiator similar to that shown in Fig. 1, and illustrates another form of the invention;

Fig. 5 is a section taken on line 55 of Fig. 6 is a fragmentary section taken through a radiator embodying another form of the invention; and

Fig. 7 is a section taken on line 7--7 of fieferring first to Figs. 1 to 3, the reference characters 10 a .d 11 designate tubes and plates, respectively, which, when assembled,

associated therewith. These strips 11 are 00 further formed to provide a plurality of diagonal braces or struts 15, which extend from one of the parallel portions 14; to the other thereof. The forming or bendin of these strips in the manner just explaine produces 66 apices to which the tubes 10 are soldered or otherwise secured.

Means is provided for circulating the air as it passes etween the parallel portions of the strips and directing the circulating air 7 toward the tubes of the radiator. To this end, the diagonal braces or struts 15 are stamped to provide a plurality of oppositely facing communicating air receiving and directing lips 19 and 20. In the present instance, these lips are formedin the diagonal portions 15 they however, may be located in any other portion which will direct the incoming air in one passage such as 21 to the other passage 22 produced by the side walls of the tubes, parallel portions 14 and diagonal struts 15. In the structure shown in Fig. 1, all of these air securing lips are located in alignment with each other whereas in the structure illustrated in Fig. 4, these portions are offset relatively to each other. Obviously, the lips 19 and 20 will direct a portion'of the air entering the passages 21 and 22 from one passage to theother and also allow a (portion of the air t pass directly through sai passages g and contact with the tubes. It is further evident that the structure including the dia'onal struts produces a 3 separate air passage or each pair of adja cent tubes and that the air passing through the openings produced by the provision of said lips will cause the air to be turbulated during its travel. This construction. insures that the air will flow back and forth, relatively to the opposite sides of the struts and 10.

between the water tubes so that substantially all of the air may act to withdraw heat from the tubes.

The tubes 10 are preferably soldered to the plates 11 by practicing my improved method more fully described in my Patent No. 1,743,861, the plates 11 being first coated with any suitable substance to which solder will not adhere. This coating is removed from the apices 16 by means of a wire brush or the like and the tubes and plates are then held in their assembled positions by any suitable temporary means (not shown) and are dipped a short distance into a bath of fused solder so that the solder will flow along the apices 16 to solder them to the adjacent surfaces of the tubes 10. The solder flows along the apices because of capillary attraction but does not adhere to the coated surfaces of the plates, nor does it tend to spread itself over those portions of the tubes disposed intermediate the apices 16.

In Figs. 4 and 5, I have illustrated another form of the invention embodied in a radiator comprising water tubes 10a, which are substantially identical with the aforementioned water tubes 10. The water tubes 10a are soldered to apices 160. formed upon plates 11a, which resemble the aforementioned plates 11, the plates 11a being folded or bent to provide a plurality of strut members 15a extending between the tubes. The strut members 15a are stamped to provide a plurality of lips 19a and 2011, which face toward the front of the radiator. The lips 20a project from the upper sides of the strut members whereas the lips 19a project from the lower sides thereof. These lips 19a and 20a all face in the same direction and function in a manner similar to that of the aforementioned lips 19 and 20 in that they direct air from one side of the plate to the other. It will be noted by referring to Figure 4 that the lips 19a and 20a are spaced laterally with respect to each other and bear a staggered relation to each other.

Figs. 6 and 7 illustrate another form of the invention comprising tubes 10?) and plates 11b formed in the same manner as the tubes 10 and plates 11, respectively, with the exception that the plates 11b are provided with only two lips 19?) and 206 which are spaced laterally with respect to each other.

From the foregoing description of the invention, it is obvious that a structure is produced which produces means whereby the air entering between the tubes is divided and caused to engage one of each of the tubes of a pair and that the air entering one passage is circulated into and from the other and turbulated during its travel which augments the cooling ca acity of this air and lends itself to more e eetively cool the water contained in the radiator. It is further manifest that the manner in which the plates are formed provides a simple structure which increases the heat dissipating ability of structures of this character.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is: i

1. In a radiator, a plurality of strai ht tubes elongated in cross section, a mem er having longitudinally disposed spaced plates extending from one tube to another of a pair of tubes and providing a plurality of air passages which extend from one edge of said tubes to the opposite edge thereof, said member having a portion arranged between each pair of said first mentioned plates and providing a plurality of air passages between pairs of said first mentioned plates, said member having air engaging lips extending into said last mentioned passages and said member having apertures, said apertures being located adjacent said lips, and said lips and apertures respectively providing means for engaging and circulating air from one of said last mentioned passages to the other.

2. In a radiator, a plurality of straight tubes elongated in cross section, a member having horizontally disposed spaced plates extending from one tube to another of a 7 pair of tubes and providing a plurality of horizontally disposed air passages which extend from one edge to the opposite edge of a pair of said tubes, said member havin an element arranged diagonally between ea pair of said plates and providing a plurality of air passages between each pair of plates, said member having air engaging lips extending into said air passages and facing in the direction of the incoming air, said member having openings, the lips and openings in said member providin means for directing and circulating air from one of said air passages between said plates to the other passage.

3. In a radiator, a plurality of strai ht tubes elongated in cross section, a mem er having horizontally disposed plates extending from one tube to another of a pair of tubes and providing a plurality of air passages which extend from one edge of said tubes to the opposite edge thereof, said member having a portion arranged between pairs of said first mentioned plates and providing a plurality of air passages between airs of said plates, oppositely projectin 'ps extending from said member into sai last mentioned passages, said member havin an opening provided adjacent said lips and said lips providing walls of a passage whereby air is directed from one of said passages to the other, and said lips providing means for directing air through said passages and causing turbulence of air passing through said passages.

4. In a. radiator, a plurality of tubes, :1

having portions which are spaced from eac other and arranged transversely between said tubes for securing said tubes to each other in spaced relation, said stri having portions arranged between sai first mentioned portions dividing the space between said first mentioned portions into a plurality of passages and lips and an ture located at said li from opposite sides of said second mention portions, one of said lips facin in the direction of the incoming air, said 'ps and aper ture providing means to direct air into the space provided between said transverse and second mentioned portions.

In witness whereof, I hereunto subscribe my name this 22nd da of May A. D., 1929.

ART B. MODINE.

a erps, the lips extemfin v 

